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2024年3月1日 · The new guidance brings a unified approach to addressing risks from a range of common respiratory viral illnesses, such as COVID-19, flu, and RSV, which can cause significant health impacts and strain on hospitals and health care workers.
- Overview
- Feeling Sick?
- Resources
Updated Oct. 26, 2022
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People with COVID-19 have had a wide range of symptoms reported – ranging from mild symptoms to severe illness. Symptoms may appear 2-14 days after exposure to the virus. Anyone can have mild to severe symptoms. Possible symptoms include:
•Fever or chills
•Cough
•Shortness of breath or difficulty breathing
When to Seek Emergency Medical Attention
Difference Between Flu and COVID-19 Influenza (Flu) and COVID-19 are both contagious respiratory illnesses, but they are caused by different viruses. COVID-19 is caused by infection with a coronavirus named SARS-CoV-2, and flu is caused by infection with influenza viruses. You cannot tell the difference between flu and COVID-19 by symptoms alone because some of the symptoms are the same. Some PCR tests can differentiate between flu and COVID-19 at the same time. If one of these tests is not available, many testing locations provide flu and COVID-19 tests separately. Talk to a healthcare provider about getting tested for both flu and COVID-19 if you have symptoms. Learn more
More Information
•Understanding Your Risk •Healthcare Workers: Information on COVID-19 •Visit archive.cdc.gov for a historical snapshot of the COVID-19 website, capturing the end of the Federal Public Health Emergency on June 28, 2023. •Visit the dynamic COVID-19 collection to search the COVID-19 website as far back as July 30, 2021. Last Updated Oct. 26, 2022 Source: National Center for Immunization and Respiratory Diseases (NCIRD), Division of Viral Diseases
2024年6月18日 · Links with this icon indicate that you are leaving the CDC website. The Centers for Disease Control and Prevention (CDC) cannot attest to the accuracy of a non-federal website. Linking to a non-federal website does not constitute an endorsement by CDC or any of ...
2024年6月5日 · Follow the steps below to remove poop and disinfect the water. Overview. While chlorine kills most germs spread through poop quickly, there are a few germs that can take many minutes or even days to kill. Time to kill or inactivate germs in chlorinated water. Germ. Time. E. coli O157:H7 Bacterium. Less than 1 minute. Hepatitis A Virus.
2024年4月16日 · COVID-19 rebound [PDF – 4 pages] is characterized by a recurrence of symptoms or a new positive test after having tested negative for SARS-CoV-2, the virus that causes COVID-19. Rebound has been reported to occur in some patients, including those treated with antivirals and those who did not take treatment.
2023年2月6日 · What You Need to Know. New variants of SARS-CoV-2, the virus that causes COVID-19, will continue to occur. CDC coordinates collaborative partnerships which continue to fuel the largest viral genomic sequencing effort to date. The Omicron variant, which emerged in November 2021, has many lineages.
2024年3月6日 · These definitions are used to determine how to classify and report cases to the CDC. Surveillance data is in turn used to monitor trends in disease incidence, understand the burden of hepatitis B in the community, determine risk behaviors or exposures, identify outbreaks, and assess opportunities for prevention.
